diff --git a/site-cookbooks/kosmos-mastodon/recipes/default.rb b/site-cookbooks/kosmos-mastodon/recipes/default.rb
index be6d330..0555a8f 100644
--- a/site-cookbooks/kosmos-mastodon/recipes/default.rb
+++ b/site-cookbooks/kosmos-mastodon/recipes/default.rb
@@ -79,7 +79,7 @@ package %w(imagemagick ffmpeg libxml2-dev libxslt1-dev file git curl pkg-config
            libprotobuf-dev protobuf-compiler libidn11 libidn11-dev libjemalloc1)
 
 npm_package "yarn" do
-  version "1.6.0"
+  version "1.17.3"
 end
 
 ruby_version = "2.6.1"